These marvellous double hardy geraniums boast all the enviable attributes of the single varieties but have exquisite double blooms. pratense Summer Skies
- Soft violet-blue double flowers with distinctive dark veins & paler centres, on grey-green, finely cut foliage. Flowers June-July. Height 30-40cm (12-16); spread 60cm (24). Supplied in a 9cm pot. Middle of border variety.